CAS Registry Number

CAS 601-57-0 — 4-Cholesten-3-one

4-Cholesten-3-one is a sterol derivative and key intermediate in steroid synthesis, widely used in biochemical research, pharmaceutical development, and as a reference standard for analytical studies. This crystalline solid appears as white to off-white needles, insoluble in water but soluble in organic solvents like ethanol and chloroform. It has a CAS number of 601-57-0, a molecular formula of C27H44O, and a molecular weight of 384.65 g/mol. Stable at ambient conditions with no signal word classification, it requires dry storage to prevent hydrolysis. Molekula supplies 4-Cholesten-3-one from research to bulk quantities with full documentation and ISO 9001:2015 traceability.